GOODWILL & INTANGIBLE ASSETS (Tables)

12 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the fiscal years ended March 31, 2022 and 2021 are as follows (in thousands):

Balance at March 31, 2020	$	1,725,680
Foreign currency translation impact	(8,126)
Balance at March 31, 2021	$	1,717,554
Foreign currency translation impact	5,602
Balance at March 31, 2022	$	1,723,156

Schedule of Intangible Assets

Intangible assets include the following amortizable intangible assets at March 31, 2022 (in thousands):

	Estimated Useful Life in Years	Cost		Accumulated Amortization		Net
Developed technology	3 - 13 years	$	250,247	$	(224,426)	$	25,821
Customer relationships	8 - 18 years	769,404		(384,347)		385,057
Distributor relationships and technology licenses	1 - 6 years	11,408		(8,896)		2,512
Definite-lived trademark and trade name (a)	2 - 9 years	57,748		(37,944)		19,804
Core technology	10 years	7,192		(7,192)		—
Non-compete agreements	3 years	292		(292)		—
Capitalized software	3 years	3,317		(3,317)		—
Other	1 - 20 years	1,208		(983)		225
		$	1,100,816	$	(667,397)	$	433,419

(a) The Company's $18.6 million acquired trade name changed from indefinite-lived during the first quarter of fiscal year 2022.

Intangible assets include the indefinite lived trade name with a carrying value of $18.6 million and the following amortizable intangible assets at March 31, 2021 (in thousands):

	Estimated Useful Life in Years	Cost		Accumulated Amortization		Net
Developed technology	3 - 13 years	$	252,071	$	(212,688)	$	39,383
Customer relationships	8 - 18 years	775,898		(333,903)		441,995
Distributor relationships and technology licenses	1 - 6 years	11,469		(7,829)		3,640
Definite-lived trademark and trade name	2 - 9 years	39,434		(31,467)		7,967
Core technology	10 years	7,192		(7,192)		—
Net beneficial leases	3 - 4 years	336		(336)		—
Non-compete agreements	3 years	292		(292)		—
Capitalized software	3 years	3,317		(3,281)		36
Other	1 - 20 years	1,208		(963)		245
		$	1,091,217	$	(597,951)	$	493,266

Schedule of Amortization Expense

The following table provides a summary of amortization expense during the fiscal years ended March 31, 2022, 2021, and 2020 (in thousands).

	Years Ended March 31,
	2022		2021		2020
Amortization of intangible assets included as:
Cost of product revenue	14,600		20,457		26,664
Operating expense	59,761		61,151		64,525
	$	74,361	$	81,608	$	91,189

Schedule of Expected Future Amortization Expense

The following is the expected future amortization expense at March 31, 2022 for the fiscal years ended March 31 (in thousands):

2023	$	66,252
2024	58,019
2025	50,841
2026	46,517
2027	43,634
Thereafter	168,156
Total	$	433,419